Home / 1,292,762.80-1,940,029.93-451,314.52

Finding the Fourth Proportional to 1,292,762.80, 1,940,029.93 and 451,314.52

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Solution

The fourth proportional to 1,292,762.80, 1,940,029.93 and 451,314.52 is: 677,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,762.80 : 1,940,029.93 = 451,314.52 : x
  2. Step 2: Convert to fraction form
    1,292,762.80/1,940,029.93 = 451,314.52/x
  3. Step 3: Cross multiply
    1,292,762.80x = 1,940,029.93 × 451,314.52
  4. Step 4: Simplify right side
    1,292,762.80x = 875,563,676,643.58
  5. Step 5: Solve for x
    x = 875,563,676,643.58/1,292,762.80
  6. Step 6: Final answer
    x = 677,281.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.